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Sentinel-6 Michael Freilich stories

News about Sentinel-6 Michael Freilich, an Earth-observing satellite jointly developed by NASA along with U.S. and European partners to observe Earth's ocean, measuring sea levels to improve weather forecasts and flood predictions, safeguard public safety, benefit commercial industry, and protect coastal infrastructure. Launched in November 2020, it is one of a pair of identical satellites, along with Sentinel-6B, scheduled to launch in November 2025.

NASA, Partners Share First Data From New US-European Sea Satellite
5 min read

Launched in November, Sentinel-6B will track ocean height with ultraprecision to advance marine forecasting, national security, and more. Sentinel-6B, a joint mission by NASA and its U.S. and European partners to survey 90% of the world’s oceans for the benefit…

Dec 16, 2025
Article
A Subtle Return of La Niña 
3 min read

A weak La Niña emerged in the equatorial Pacific in late 2025, and scientists are watching how it may help shape weather and climate in the months ahead.

Dec 16, 2025
Article
Iraq Reservoirs Plunge to Low Levels
5 min read

A multi-year drought has put extra strain on farmers and water managers in the Middle Eastern country.

Nov 19, 2025
Article
NASA, SpaceX Launch US-European Satellite to Monitor Earth’s Oceans
5 min read

About the size of a full-size pickup truck, a newly launched satellite by NASA and its partners will provide ocean and atmospheric information to improve hurricane forecasts, help protect infrastructure, and benefit commercial activities, such as shipping. The Sentinel-6B satellite…

Nov 17, 2025
News Release
Sentinel-6B Satellite Acquires Signal
2 min read

Mission controllers for Sentinel-6B received full acquisition of signal from the spacecraft at 1:54 a.m. EST Monday, Nov. 17. After cross-calibrating its data, Sentinel-6B will take over from Sentinel-6 Michael Freilich, launched Nov. 21, 2020, to monitor sea levels, measure…

Nov 17, 2025
Blog
Sea-Level Monitoring Satellite Flying Solo
1 min read

The Sentinel-6B satellite is flying on its own after separating from the SpaceX Falcon 9 second stage. Satellite-6B, part of a mission led jointly by NASA, ESA (European Space Agency), EUMETSAT (the European Organisation for the Exploitation of Meteorological Satellites),…

Nov 17, 2025
Blog
First Stage Rocket Returns to Earth; Coast Phase Begins
1 min read

The SpaceX Falcon 9 rocket’s first stage successfully touched down on Landing Zone 4 East at Vandenberg Space Force Base in California following launch of Sentinel-6B. The Falcon 9 second stage will continue to coast for approximately 45 minutes before…

Nov 17, 2025
Blog
Liftoff! Sentinel-6B Journeys to Orbit
1 min read

A SpaceX Falcon 9 rocket carrying the U.S.-European Sentinel-6B satellite launched at 9:21 p.m. PST (12:21 a.m. EST Monday, Nov. 17) from Space Launch Complex 4 East at Vandenberg Space Force Base in California. Sentinel-6B will eventually take over as…

Nov 17, 2025
Blog
Second Stage Fueling Underway for Sentinel-6B Launch
1 min read

Fueling is underway for the second stage of the SpaceX Falcon 9 rocket carrying Sentinel-6B, part of a joint mission led by NASA and ESA (European Space Agency), EUMETSAT (the European Organisation for the Exploitation of Meteorological Satellites), and the National…

Nov 17, 2025
Blog
Meet Sentinel-6B Satellite
2 min read

Once Sentinel-6B launches, the satellite and its six science instruments are expected to spend the next 5.5 years in orbit collecting data on the rising sea levels and the impacts for us on Earth. The satellite is about the size…

Nov 16, 2025
Blog